EP1110123B1 - Electrochrome glazing - Google Patents

Electrochrome glazing Download PDF

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Publication number
EP1110123B1
EP1110123B1 EP99953703A EP99953703A EP1110123B1 EP 1110123 B1 EP1110123 B1 EP 1110123B1 EP 99953703 A EP99953703 A EP 99953703A EP 99953703 A EP99953703 A EP 99953703A EP 1110123 B1 EP1110123 B1 EP 1110123B1
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EP
European Patent Office
Prior art keywords
electrochromic
temperature sensor
pane
spacer frame
glazing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99953703A
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German (de)
French (fr)
Other versions
EP1110123A1 (en
Inventor
Jens Cardinal
Volker Gumprich
Hartmut Wittkopf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flabeg GmbH and Co KG
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Flabeg GmbH and Co KG
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Publication date
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Publication of EP1110123A1 publication Critical patent/EP1110123A1/en
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Publication of EP1110123B1 publication Critical patent/EP1110123B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12528—Semiconductor component

Definitions

  • the invention relates to electrochromic glazing, with an electrochromic pane unit and with at least one other washer, which is formed using a spacer frame of a space between the panes are connected to one another in the edge region, and to one Temperature sensor for recording the temperature of the electrochromic disk unit.
  • Such glazing is known from EP 0 475 847 B1.
  • the temperature sensor is there from a thermometer that is in contact with one of the disks of the electrochromic disk unit is arranged. According to this publication, the temperature is preferred on the side of the electrochromic pane unit facing the interior of the glazed building to measure that is not directly exposed to solar radiation.
  • WO 95/31746 describes examples of the construction of electrochromic disk units.
  • a first glass pane is provided with a transparent conductive layer, which consists, for example, of doped tin oxide, indium tin oxide or the like.
  • An electrochromic layer which preferably consists of tungsten oxide (WO x ), is arranged on this conductive layer.
  • this first electrochromic layer is opposed by a second electrochromic layer, for example made of cerium-titanium oxide, vanadium-titanium oxide or the like, as a counter electrode or ion storage layer, which is applied to a second conductive layer carried by a second glass pane.
  • An ion conductor in particular a polymer electrolyte, is located between the electrochromic layers, so that the electrochromic disk unit is present as a disk composite.
  • the temperature of the electrochromic disk unit is especially when using Polymer electrolytes, the ion resistance of which can depend considerably on the temperature, as Control parameters required for the control of the electrochromic disk unit.
  • the electrochromic glazing can withstand these high temperature fluctuations, often with brief temperature peaks on parts of the electrochromic disk unit his.
  • At high temperatures there is a risk that the electrochromic Layers applied voltages become too high, causing irreversible processes and the electrochromic glazing is permanently damaged.
  • the temperature sensor is provided in the area of the spacer frame to be arranged between the electrochromic disk unit and the further disk.
  • the arrangement according to the invention ensures that the temperature sensor on the one hand has close heat transfer contact to the spacer frame and on the other hand outside the viewing area is arranged for normal viewers of the glazing.
  • "In the area of Spacer frame includes all arrangements in which the temperature sensor on or in the spacer frame or on or in the bond formed from adhesives or sealants the spacer frame is arranged with the panes of the glazing, so that a good heat transfer contact to the thermal bridge formed from these elements in the Edge area of the glazing is ensured.
  • There is a direct contact of the temperature sensor with the spacer frame which is a heat transfer by heat conduction allows, preferred.
  • sufficient heat transfer is also possible Convection or heat radiation can be guaranteed if the temperature sensor is one Distance of no more than about 5 mm, better 2 mm and preferably less than 1 mm from the spacer frame or from gluing.
  • the safe functioning of the controller was not necessarily the one actually present in the electrochromic disk unit, if applicable average pane temperature must be measured over the surface. but that a Measured value that corresponds to the pane temperature over a large temperature range of approx -20 ° C to + 100 ° C well correlated, sufficient.
  • the one Spacer frame area representing thermal bridge between the panes of an insulating glazing is particularly suitable for arranging a temperature sensor.
  • this Thermal bridge applies that compared to other areas of glazing with poorer Thermal conductivity properties usually sets a relatively stable heat flow. Even short-term Temperature peaks on partial areas of the electrochromic disk unit can surprisingly comparatively reliable with a temperature sensor arranged according to the invention be recorded.
  • the temperature sensor is at least partially in adhesive or sealant material embedded. This makes it invisible to the normal viewer and not exposed to direct sunlight. Furthermore, the temperature sensor is thereby fixed to its installation and protected against mechanical stress and also against corrosion.
  • the temperature sensor can usually be located between the system walls of the spacer frame and the inside of the window located butyl sealant Base of polyisobutylene.
  • the temperature sensor can also be used in between the window edges introduced, the insulating glazing mechanically stabilizing insulating glass glue made of polysulfide, silicone, polyurethane or the like.
  • the temperature sensor is preferably located directly on the one facing the space between the panes Surface of the inner disk of the electrochromic disk unit arranged, but still so close to the spacer frame that good heat transfer contact via heat conduction, There is heat radiation or convection with the spacer frame.
  • the temperature sensor should not be on one of the disks in the context of the invention be placed in the field of view of a normal viewer.
  • the temperature sensor is located expediently on the side of the spacer frame facing the electrochromic disk unit.
  • the spacer frame preferably faces the electrochromic disk unit in the contact wall a recess in which the temperature sensor is arranged.
  • This recess can be limited locally, but can also extend over the entire frame length.
  • the recess is preferably arcuate. Different types, e.g. the shape of the temperature sensor adapted geometries are also possible. By providing a recess it is achieved that the temperature sensor is protected and housed at a defined location can be, depending on the profile geometry and dimensions of the temperature sensor closer to the space between the panes and thus closer to the core area (viewing area) of the glazing than it would be possible without such a recess.
  • the temperature sensor inside the spacer frame can also be provided, in particular, the temperature sensor inside the spacer frame to be arranged in a desiccant chamber formed in the spacer frame.
  • Another preferred embodiment is the temperature sensor on the To arrange the space between the pane facing the inner wall of the spacer frame.
  • the temperature sensor in the range of the installed state of the glazing the lower edge of the pane should be arranged, as here the shading of lintels and soffits etc. is usually the least. It is particularly preferred that the temperature sensor in the middle section of the glazing located below when installed Disc edge is arranged. It goes without saying. that when installing the invention Glazing must be ensured that the area of the spacer frame in which the Temperature sensor is arranged, no more than necessary by frame elements or the like is shadowed.
  • the connecting cable of the temperature sensor can at least over a part of the length of a unit with the supply line for the electrochromic Form the disc unit.
  • the temperature dependence of the electrical resistance is preferably used as the temperature sensor of semiconductors such as silicon, or of metals, or another Temperature sensors providing evaluable electrical signals, e.g. a thermocouple.
  • a sufficiently accurate for safe control of the electrochromic disk unit Sensitivity in the range of approximately -20 ° C to + 100 ° C is required.
  • the temperature sensor mechanical loads should be increased during installation and with the usual insulating glass adhesives and sealants used are compatible. The smallest possible size and a long service life are further requirements.
  • Glazing plastic profile is the subject of the unpublished DE 298 07 418 U1.
  • Suitable plastic materials are, for example, polypropylene, Polyethylene terephthalate, polyamide or polycarbonate.
  • the metal foil preferably consists of Stainless steel or galvanized or chrome-plated sheet steel. Surprisingly, also contributes the area of the spacer frame in such poorly heat-conducting spacer profiles a thermal bridge stabilizing the temperature detected by the temperature sensor, so that the invention can also be applied to glazing with these profiles.
  • FIG. 1 shows a first exemplary embodiment of an electrochromic glazing with the invention attached temperature sensor 40 shown.
  • the electrochromic glazing includes an electrochromic disk unit not shown in detail with regard to its layer structure 10, which via a spacer frame 30 with a further disc 20 to a Insulating washer unit is connected.
  • This disc 20 is usually made of inorganic or organic glass. It can be coated or otherwise refined to the glazing has other special properties, such as increased thermal insulation or soundproofing.
  • the spacer frame 30 is as for receiving Hollow chamber profile suitable for desiccants made from approximately 0.3 mm thick steel sheet.
  • Temperature sensor 40 On intended for contacting the inside of the electrochromic disk unit 10 Contact wall 32 of the spacer frame 30 is provided for temperature detection Temperature sensor 40 in that applied to the contact wall 32 in a thickness of approximately 0.2-0.4 mm Sealant layer 50, which is a polyisobutylene-based butyl sealant acts, embedded.
  • Sealant layer 50 which is a polyisobutylene-based butyl sealant acts, embedded.
  • the spacer frame is to the outer edge of the electrochromic glazing 30 with an adhesive bond which also protects the temperature sensor 40 from environmental influences 60 covered in polysulfide.
  • FIG. 2 The embodiment of an electrochromic glazing shown in FIG. 2 largely corresponds that of FIG. 1.
  • the temperature sensor 40 in the region of an angled section 34 of the contact wall 32 within the spacer frame 30 arranged covering adhesive 60 to the outside.
  • the Electrochromic disk unit 10 consists of an inner disk 12 and an outer disk 14 made of glass and an only indicated electrochromic layer arrangement 16, which between the Disks 12 and 14 arranged and protected from environmental influences by a seal 62 is.
  • the temperature sensor 40 is immediately adjacent to an angled section 34 of the with a thin sealant layer 50 bearing wall 32 of the spacer frame 30 directly on the surface of the inner pane 12 facing the space 22 between the panes electrochromic disk unit 10 attached.
  • the in a connection for connection with the Control and supply device 70 of the electrochromic disk unit 10 supply line 74 and the connecting line 46 of the temperature sensor 40 are up close of the temperature sensor 40 designed as a compact unit.
  • the supply line 74 for the electrochromic disk unit 10 then runs around the edge of the outer pane 14 for this purpose recessed inner pane 12 around to the connection points, not shown the electrochromic disk unit 10.
  • the temperature sensor 40 is in a recess or indentation 36 in the contact wall 32 of the spacer frame 30 arranged near the inner pane 12 of the electrochromic pane unit 10.
  • the temperature sensor 40 is replaced by a small one Bore 31 in the outer wall 38 of the spacer frame 30 up to that of the space between the panes 22 facing away from the inner wall 37 and is located thus within the desiccant chamber 33 formed in the spacer frame 30.
  • a two-part spacer frame 30 is used used with a connecting element 27 connecting the two halves, the connecting line 46 of the temperature sensor 40 is stirred by the connecting element 27.
  • the Temperature sensor 40 protrudes slightly beyond the inner wall 37 of the spacer frame 30 in the space between the panes 22. Alternatively, it could also be drilled in the outer wall and the inner wall of a conventional spacer frame. He should be arranged at a slight distance from the spacer frame, so that sufficient heat transfer via heat conduction, heat radiation or convection done by this. This will usually be the case when the distance is no longer than about 5 mm.
  • a spacer frame according to DE 298 07 418 U1 is shown in FIG. He points as Special feature is a contact wall 32 spaced from the desiccant chamber 33.
  • the Temperature sensor 40 is between the contact wall 32 and the adjacent wall 26 of the drying agent chamber 33 arranged and embedded in the bond 60. You can also see a vapor diffusion-tight metal foil 28 bridging the gap between the panes 22.
  • FIG 8 shows schematically how an electrochromic glazing according to the invention as Window is to be arranged.
  • the temperature sensor 40 is located on the installation side on the sole bank side (Lower edge) of the window, approximately in the middle. It turned out to be here the impairment of the measurement accuracy by shadowing the temperature sensor 40 is the least due to falls and reveals in the moving sun.

Abstract

The invention concerns an electrochromic glazing system, with an electrochromic pane unit and at least one other pane, which are joined to one another in the edge area by means of a spacer frame, forming an interspace, and with a temperature sensor for detection of the temperature of the electrochromic pane unit. To optimize its location, according to the invention the temperature sensor is arranged in the region of the spacer frame, between the electrochromic pane unit and the other pane. The invention takes advantage of the fact that the spacer frame area represents a thermal bridge between the panes of a double-glazing unit which is especially suitable for the arrangement of a temperature sensor.

Description

Die Erfindung betrifft eine elektrochrome Verglasung, mit einer elektrochromen Scheibeneinheit und mit mindestens einer weiteren Scheibe, die mit Hilfe eines Abstandhalterrahmens unter Bildung eines Scheibenzwischenraumes im Randbereich miteinander verbunden sind, und mit einem Temperaturfühler zur Erfassung der Temperatur der elektrochromen Scheibeneinheit.The invention relates to electrochromic glazing, with an electrochromic pane unit and with at least one other washer, which is formed using a spacer frame of a space between the panes are connected to one another in the edge region, and to one Temperature sensor for recording the temperature of the electrochromic disk unit.

Eine solche Verglasung ist aus der EP 0 475 847 B1 bekannt. Der Temperaturfühler besteht dort aus einem Thermometer, das in Kontakt mit einer der Scheiben der elektrochromen Scheibeneinheit angeordnet ist. Dabei ist es nach dieser Veröffentlichung bevorzugt, die Temperatur auf der zum Innenraum des verglasten Gebäudes gerichteten Seite der elektrochromen Scheibeneinheit zu messen, die der Sonnenstrahlung somit nicht direkt ausgesetzt ist.Such glazing is known from EP 0 475 847 B1. The temperature sensor is there from a thermometer that is in contact with one of the disks of the electrochromic disk unit is arranged. According to this publication, the temperature is preferred on the side of the electrochromic pane unit facing the interior of the glazed building to measure that is not directly exposed to solar radiation.

Beispiele für den Aufbau elektrochromer Scheibeneinheiten beschreibt die WO 95/31746. Im allgemeinen wird eine erste Glasscheibe mit einer transparenten Leitschicht, die beispielsweise aus dotiertem Zinnoxid, Indium-Zinnoxid oder dergleichen besteht, versehen. Auf dieser Leitschicht wird eine elektrochrome Schicht, die bevorzugt aus Wolframoxid (WOx) besteht, angeordnet. Dieser ersten elektrochromen Schicht steht in der fertigen Scheibeneinheit eine zweite elektrochrome Schicht, beispielsweise aus Cer-Titan-Oxid, Vanadium-Titan-Oxid oder dergleichen, als Gegenelektrode oder Ionenspeicherschicht gegenüber, die auf eine von einer zweiten Glasscheibe getragene zweite Leitschicht aufgebracht ist. Zwischen den elektrochromen Schichten befindet sich ein Ionenleiter, insbesondere ein Polymerelektrolyt, so daß die elektrochrome Scheibeneinheit als Scheibenverbund vorliegt.WO 95/31746 describes examples of the construction of electrochromic disk units. In general, a first glass pane is provided with a transparent conductive layer, which consists, for example, of doped tin oxide, indium tin oxide or the like. An electrochromic layer, which preferably consists of tungsten oxide (WO x ), is arranged on this conductive layer. In the finished pane unit, this first electrochromic layer is opposed by a second electrochromic layer, for example made of cerium-titanium oxide, vanadium-titanium oxide or the like, as a counter electrode or ion storage layer, which is applied to a second conductive layer carried by a second glass pane. An ion conductor, in particular a polymer electrolyte, is located between the electrochromic layers, so that the electrochromic disk unit is present as a disk composite.

Die Temperatur der elektrochromen Scheibeneinheit wird insbesondere bei der Verwendung von Polymerelektrolyten, deren Ionenwiderstand erheblich von der Temperatur abhängen kann, als Steuerparameter für die Ansteuerung der elektrochromen Scheibeneinheit benötigt. Je nach Einsatzgebiet der elektrochromen Verglasung kann diese hohen Temperaturschwankungen, oftmals mit kurzzeitigen Temperaturspitzen auf Teilbereichen der elektrochromen Scheibeneinheit, ausgesetzt sein. Bei hohen Temperaturen besteht die Gefahr, daß die an den elektrochromen Schichten anliegenden Spannungen zu hoch werden, so daß irreversible Prozesse verursacht werden und die elektrochrome Verglasung dauerhaft geschädigt wird. Um dies zu vermeiden, muß die an die Leitschichten der elektrochromen Scheibeneinheit angelegte Steuerspannung entsprechend deren Temperatur geeignet modifiziert werden, wenn eine für praktische Zwecke akzeptable Lebensdauer der elektrochromen Scheibeneinheit erreicht werden soll. Weitere Einzelheiten dazu beschreibt die DE 197 06 918 A1.The temperature of the electrochromic disk unit is especially when using Polymer electrolytes, the ion resistance of which can depend considerably on the temperature, as Control parameters required for the control of the electrochromic disk unit. Depending on the area of application The electrochromic glazing can withstand these high temperature fluctuations, often with brief temperature peaks on parts of the electrochromic disk unit his. At high temperatures there is a risk that the electrochromic Layers applied voltages become too high, causing irreversible processes and the electrochromic glazing is permanently damaged. To avoid this must the control voltage applied to the conductive layers of the electrochromic disk unit appropriately modified according to their temperature, if one for practical purposes acceptable life of the electrochromic disk unit is to be achieved. more details DE 197 06 918 A1 describes this.

Es ist die Aufgabe der vorliegenden Erfindung, die Ansteuerung einer elektrochromen Verglasung dadurch zu unterstützen, daß die Lage des Temperaturfühlers zur Temperaturerfassung optimiert wird.It is the object of the present invention to control an electrochromic glazing to support by optimizing the position of the temperature sensor for temperature detection becomes.

Diese Aufgabe wird durch eine elektrochrome Verglasung nach Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche.This object is achieved by an electrochromic glazing according to claim 1. advantageous Refinements are the subject of the dependent claims.

Erfindungsgemäß ist vorgesehen, den Temperaturfühler im Bereich des Abstandhalterrahmens zwischen der elektrochromen Scheibeneinheit und der weiteren Scheibe anzuordnen.According to the invention, the temperature sensor is provided in the area of the spacer frame to be arranged between the electrochromic disk unit and the further disk.

Durch die erfindungsgemäße Anordnung wird erreicht, daß der Temperaturfühler einerseits einen engen Wärmeübertragungskontakt zum Abstandhalterrahmen aufweist und andererseits außerhalb des Sichtbereichs für normale Betrachter der Verglasung angeordnet ist. "Im Bereich des Abstandhalterrahmens" umfaßt dabei alle Anordnungen, bei denen der Temperaturfühler am oder im Abstandhalterrahmen bzw. an oder in der aus Kleb- oder Dichtstoffen gebildeten Verklebung des Abstandhalterrahmens mit den Scheiben der Verglasung angeordnet ist, so daß ein guter Wärmeübertragungskontakt zu der aus diesen Elementen gebildeten Wärmebrücke im Randbereich der Verglasung sichergestellt wird. Dabei ist ein unmittelbarer Kontakt des Temperaturfühlers mit dem Abstandhalterrahmen, der eine Wärmeübertragung durch Wärmeleitung zuläßt, bevorzugt. Es hat sich aber gezeigt, daß eine ausreichende Wärmeübertragung auch durch Konvektion oder Wärmestrahlung gewährleistet sein kann, wenn der Temperaturfühler einen Abstand von nicht mehr als etwa 5 mm, besser 2 mm und bevorzugt weniger als 1 mm vom Abstandhalterrahmen oder von der Verklebung hat. The arrangement according to the invention ensures that the temperature sensor on the one hand has close heat transfer contact to the spacer frame and on the other hand outside the viewing area is arranged for normal viewers of the glazing. "In the area of Spacer frame "includes all arrangements in which the temperature sensor on or in the spacer frame or on or in the bond formed from adhesives or sealants the spacer frame is arranged with the panes of the glazing, so that a good heat transfer contact to the thermal bridge formed from these elements in the Edge area of the glazing is ensured. There is a direct contact of the temperature sensor with the spacer frame, which is a heat transfer by heat conduction allows, preferred. However, it has been shown that sufficient heat transfer is also possible Convection or heat radiation can be guaranteed if the temperature sensor is one Distance of no more than about 5 mm, better 2 mm and preferably less than 1 mm from the spacer frame or from gluing.

Überraschenderweise wurde festgestellt, daß für ein sicheres Funktionieren der Steuerung nicht notwendigerweise die tatsächlich in der elektrochromen Scheibeneinheit vorliegende, gegebenenfalls über die Fläche gemittelte Scheibentemperatur gemessen werden muß. sondern daß ein Meßwert, der mit der Scheibentemperatur über einen großen Temperaturbereich von etwa -20°C bis + 100°C gut korreliert, ausreicht. Für die Erfindung wird ausgenutzt, daß der eine Wärmebrücke zwischen den Scheiben einer Isolierverglasung darstellende Abstandhalterrahmenbereich sich besonders gut zur Anordnung eines Temperaturfühlers eignet. Für diese Wärmebrücke gilt, daß sich im Vergleich zu anderen Bereichen der Verglasung mit schlechteren Wärmeleiteigenschaften im Regelfall ein relativ stabiler Wärmefluß einstellt. Sogar kurzzeitige Temperaturspitzen auf Teilbereichen der elektrochromen Scheibeneinheit können überraschenderweise mit einem erfindungsgemäß angeordneten Temperaturfühler vergleichsweise zuverlässig erfaßt werden.Surprisingly, it was found that the safe functioning of the controller was not necessarily the one actually present in the electrochromic disk unit, if applicable average pane temperature must be measured over the surface. but that a Measured value that corresponds to the pane temperature over a large temperature range of approx -20 ° C to + 100 ° C well correlated, sufficient. For the invention is exploited that the one Spacer frame area representing thermal bridge between the panes of an insulating glazing is particularly suitable for arranging a temperature sensor. For this Thermal bridge applies that compared to other areas of glazing with poorer Thermal conductivity properties usually sets a relatively stable heat flow. Even short-term Temperature peaks on partial areas of the electrochromic disk unit can surprisingly comparatively reliable with a temperature sensor arranged according to the invention be recorded.

Nach einer vorteilhaften Ausführungsform ist der Temperaturfühler zumindest teilweise in Kleber- oder Dichtstoffmaterial eingebettet. Damit ist er unsichtbar für den normalen Betrachter und nicht der direkten Sonnenstrahlung ausgesetzt. Weiterhin wird der Temperaturfühler dadurch bei seinem Einbau fixiert und vor mechanischen Beanspruchungen und auch vor Korrosion geschützt. Beispielsweise kann der Temperaturfühler in den üblicherweise zwischen den Anlagewänden des Abstandhalterrahmens und den Scheibeninnenseiten befindlichen Butyldichtstoff auf Basis von Polyisobutylen eingebettet sein. Der Temperaturfühler kann aber auch in den zwischen die Scheibenkanten eingebrachten, die Isolierverglasung mechanisch stabilisierenden Isolierglaskleber aus Polysulfid, Silikon, Polyurethan oder dergleichen eingebettet sein. Durch die Klebereinbettung wird der Wärmeübergang von der elektrochromen Scheibeneinheit auf den Temperaturfühler weiter verbessert, was die Meßgenauigkeit erhöht.According to an advantageous embodiment, the temperature sensor is at least partially in adhesive or sealant material embedded. This makes it invisible to the normal viewer and not exposed to direct sunlight. Furthermore, the temperature sensor is thereby fixed to its installation and protected against mechanical stress and also against corrosion. For example, the temperature sensor can usually be located between the system walls of the spacer frame and the inside of the window located butyl sealant Base of polyisobutylene. The temperature sensor can also be used in between the window edges introduced, the insulating glazing mechanically stabilizing insulating glass glue made of polysulfide, silicone, polyurethane or the like. Through the adhesive embedding the heat transfer from the electrochromic disk unit to the temperature sensor further improved, which increases the measuring accuracy.

Bevorzugt ist der Temperaturfühler unmittelbar auf der zum Scheibenzwischenraum gewandten Oberfläche der Innenscheibe der elektrochromen Scheibeneinheit angeordnet, aber immer noch so nahe am Abstandhalterrahmen, daß ein guter Wärmeübertragungskontakt über Wärmeleitung, Wärmestrahlung oder Konvektion mit dem Abstandhalterrahmen besteht.The temperature sensor is preferably located directly on the one facing the space between the panes Surface of the inner disk of the electrochromic disk unit arranged, but still so close to the spacer frame that good heat transfer contact via heat conduction, There is heat radiation or convection with the spacer frame.

Grundsätzlich soll im Rahmen der Erfindung der Temperaturfühler nicht auf einer der Scheiben im Sichtbereich eines normalen Betrachters angeordnet werden. Der Temperaturfühler befindet sich zweckmäßig auf der der elektrochromen Scheibeneinheit zugewandten Seite des Abstandhalterrahmens.In principle, the temperature sensor should not be on one of the disks in the context of the invention be placed in the field of view of a normal viewer. The temperature sensor is located expediently on the side of the spacer frame facing the electrochromic disk unit.

Vorzugsweise weist der Abstandhalterrahmen in der Anlagewand zur elektrochromen Scheibeneinheit eine Ausnehmung auf, in der der Temperaturfühler angeordnet ist. Diese Ausnehmung kann lokal begrenzt sein, kann sich aber auch über die gesamte Rahmenlänge erstrecken. Bevorzugt ist die Ausnehmung bogenförmig. Andersartige, z.B. an die Form des Temperaturfühlers angepaßte Geometrien sind ebenfalls möglich. Durch die Bereitstellung einer Ausnehmung wird erreicht, daß der Temperaturfühler geschützt und an definierter Stelle untergebracht werden kann, und zwar je nach Profilgeometrie und Abmessungen des Temperaturfühlers näher zum Scheibenzwischenraum und damit näher zum Kernbereich (Sichtbereich) der Verglasung hin, als es ohne eine solche Ausnehmung möglich wäre.The spacer frame preferably faces the electrochromic disk unit in the contact wall a recess in which the temperature sensor is arranged. This recess can be limited locally, but can also extend over the entire frame length. The recess is preferably arcuate. Different types, e.g. the shape of the temperature sensor adapted geometries are also possible. By providing a recess it is achieved that the temperature sensor is protected and housed at a defined location can be, depending on the profile geometry and dimensions of the temperature sensor closer to the space between the panes and thus closer to the core area (viewing area) of the glazing than it would be possible without such a recess.

Es kann auch vorgesehen sein, den Temperaturfühler im Inneren des Abstandhalterrahmens, insbesondere in einer im Abstandhalterrahmen ausgebildeten Trockenmittelkammer, anzuordnen. Eine andere bevorzugte Ausführungsform besteht darin, den Temperaturfühler auf der zum Scheibenzwischenraum gewandten Seite der Innenwand des Abstandhalterrahmens anzuordnen.It can also be provided, in particular, the temperature sensor inside the spacer frame to be arranged in a desiccant chamber formed in the spacer frame. Another preferred embodiment is the temperature sensor on the To arrange the space between the pane facing the inner wall of the spacer frame.

Besondere Profilgeometrien lassen weitere Möglichkeiten zum Anordnen des Temperaturfühlers zu. Bekannte Abstandhalterrahmenprofile weisen in der Anlagewand zu den Scheibeninnenseiten ein abgewinkeltes Teilstück auf, das von der angrenzenden Scheibe wegweist. Der Temperaturfühler wird bevorzugt zwischen diesem Teilstück und der elektrochromen Scheibeneinheit angeordnet.Special profile geometries allow further options for arranging the temperature sensor to. Known spacer frame profiles face the inside of the pane in the contact wall an angled section pointing away from the adjacent pane. The temperature sensor is preferred between this section and the electrochromic disk unit arranged.

Es hat sich gezeigt, daß der Temperaturfühler im Bereich der im Einbauzustand der Verglasung unten liegenden Scheibenkante angeordnet sein sollte, da hier die Abschattung von Fensterstürzen und Leibungen usw. in der Regel am geringsten ist. Dabei ist besonders bevorzugt, daß der Temperaturfühler im Mittelabschnitt der im Einbauzustand der Verglasung unten liegenden Scheibenkante angeordnet ist. Es versteht sich. daß beim Einbau der erfindungsgemäßen Verglasung darauf geachtet werden muß, daß der Bereich des Abstandhalterrahmens, in dem der Temperaturfühler angeordnet ist, nicht mehr als nötig durch Rahmenelemente oder dergleichen abgeschattet wird. It has been shown that the temperature sensor in the range of the installed state of the glazing the lower edge of the pane should be arranged, as here the shading of lintels and soffits etc. is usually the least. It is particularly preferred that the temperature sensor in the middle section of the glazing located below when installed Disc edge is arranged. It goes without saying. that when installing the invention Glazing must be ensured that the area of the spacer frame in which the Temperature sensor is arranged, no more than necessary by frame elements or the like is shadowed.

Um die Montage zu vereinfachen, kann die Anschlußleitung des Temperaturfühlers zumindest über einen Teilbereich der Länge eine Baueinheit mit der Versorgungsleitung für die elektrochrome Scheibeneinheit bilden.To simplify the assembly, the connecting cable of the temperature sensor can at least over a part of the length of a unit with the supply line for the electrochromic Form the disc unit.

Vorzugsweise wird als Temperaturfühler ein die Temperaturabhängigkeit des elektrischen Widerstands von Halbleitern wie Silizium oder von Metallen ausnutzender oder ein anderer, ein auswertbares elektrisches Signal liefernder Temperaturfühler, z.B. ein Thermoelement, eingesetzt. Eine für eine sichere Ansteuerung der elektrochromen Scheibeneinheit hinreichend genaue Meßempfindlichkeit im Bereich von etwa -20°C bis + 100°C ist erforderlich. Der Temperaturfühler sollte mechanischen Beanspruchungen beim Einbau gewachsen und mit den üblicherweise verwendeten Isolierglasklebern und -dichtstoffen verträglich sein. Eine möglichst geringe Baugröße sowie ein lange Lebensdauer sind weitere Anforderungen.The temperature dependence of the electrical resistance is preferably used as the temperature sensor of semiconductors such as silicon, or of metals, or another Temperature sensors providing evaluable electrical signals, e.g. a thermocouple. A sufficiently accurate for safe control of the electrochromic disk unit Sensitivity in the range of approximately -20 ° C to + 100 ° C is required. The temperature sensor mechanical loads should be increased during installation and with the usual insulating glass adhesives and sealants used are compatible. The smallest possible size and a long service life are further requirements.

Als Abstandhalterrahmen eignen sich sowohl Metallprofile als auch Kunststoffprofile, aber auch Verbundprofile aus verschiedenen Materialien. Für Metallprofile können grundsätzlich die bei der Fertigung von Isolierscheibeneinheiten üblichen Profilgeometrien und -materialien verwendet werden. Vorzugsweise werden für die erfindungsgemäßen Verglasungen Hohlkammerprofile verwendet, bei denen in die Kammer ein Trockenmittel zum Entfeuchten des Scheibenzwischenraumes eingebracht ist. Standardmäßig eingesetzte Materialien sind Stahl und Edelstahl, aber auch Aluminium oder Aluminiumlegierungen. Auch bei der Verwendung von Abstandhalterrahmen aus Kunststoffprofilen oder plastischen Kunststoffmassen kommen grundsätzlich alle üblichen Profilgeometrien und -materialien in Frage. Wieder sind Hohlkammerprofile bevorzugt. Die bekannt geringe Dampfdiffusionsdichtigkeit der Kunststoffmaterialien wird durch Anordnen einer den Scheibenzwischenraum überbrückenden dampfdiffusionsdichten Schicht, beispielsweise einer Metallfolie, kompensiert. Ein derart ausgestaltetes, bevorzugt für die erfindungsgemäße Verglasung eingesetztes Kunststoffprofil ist Gegenstand der nicht vorveröffentlichten DE 298 07 418 U1. Geeignete Kunststoffmaterialien sind beispielsweise Polypropylen, Polyethylenterephthalat, Polyamid oder Polykarbonat. Die Metallfolie besteht vorzugsweise aus Edelstahl oder verzinktem oder verchromtem Stahlblech. Überraschenderweise stellt auch bei solchen an sich schlecht wärmeleitenden Abstandhalterprofilen der Bereich des Abstandhalterrahmens eine die vom Temperaturfühler erfaßte Temperatur stabilisierende Wärmebrücke dar, so daß die Erfindung auch bei Verglasungen mit diesen Profilen angewendet werden kann.Both metal profiles and plastic profiles are suitable as spacer frames Composite profiles made of different materials. For metal profiles you can always use the the usual profile geometries and materials used in the manufacture of insulating washer units become. Hollow chamber profiles are preferred for the glazing according to the invention used, in which a desiccant in the chamber for dehumidifying the space between the panes is introduced. Standard materials are steel and stainless steel, however also aluminum or aluminum alloys. Even when using spacer frames all come from plastic profiles or plastic masses usual profile geometries and materials in question. Again, hollow chamber profiles are preferred. The known low vapor diffusion tightness of the plastic materials is achieved by arranging them a vapor diffusion-tight layer bridging the gap between the panes, for example a metal foil, compensated. One designed in this way, preferably for the invention Glazing plastic profile is the subject of the unpublished DE 298 07 418 U1. Suitable plastic materials are, for example, polypropylene, Polyethylene terephthalate, polyamide or polycarbonate. The metal foil preferably consists of Stainless steel or galvanized or chrome-plated sheet steel. Surprisingly, also contributes the area of the spacer frame in such poorly heat-conducting spacer profiles a thermal bridge stabilizing the temperature detected by the temperature sensor, so that the invention can also be applied to glazing with these profiles.

Im folgenden soll die Erfindung anhand der beigefügten Zeichnungen näher erläutert werden. Dabei zeigt:

Figur 1
eine Teil-Schnittansicht einer elektrochromen Verglasung einer ersten Ausführungsform der Erfindung;
Figur 2
eine Schnittdarstellung ähnlich der Figur 1 mit geänderter Anordnung des Temperaturfühlers;
Figur 3
eine Teil-Schnittansicht einer weiteren Ausführungsform der Erfindung, die auch die elektrischen Anschlüsse schematisch zeigt;
Figur 4
eine schematische Teil-Schnittansicht einer elektrochromen Verglasung mit einem modifizierten Abstandhalterrahmen;
Figur 5
eine weitere Teil-Schnittansicht ähnlich der Figur 1 mit Anordnung des Temperaturfühlers im Trockenmittelraum des Abstandhalterrahmens;
Figur 6
eine Teil-Schnittansicht ähnlich der Figur 1 mit Anordnung des Temperaturfühlers im Scheibenzwischenraum;
Figur 7
eine Teil-Schnittansicht einer elektrochromen Verglasung mit einem speziellen Abstandhalterprofil; und
Figur 8
eine schematische Darstellung eines Fensters mit einer elektrochromen Verglasung gemäß der vorliegenden Erfindung.
In the following the invention will be explained in more detail with reference to the accompanying drawings. It shows:
Figure 1
a partial sectional view of an electrochromic glazing of a first embodiment of the invention;
Figure 2
a sectional view similar to Figure 1 with a modified arrangement of the temperature sensor;
Figure 3
a partial sectional view of a further embodiment of the invention, which also shows the electrical connections schematically;
Figure 4
a schematic partial sectional view of an electrochromic glazing with a modified spacer frame;
Figure 5
another partial sectional view similar to Figure 1 with the arrangement of the temperature sensor in the drying agent space of the spacer frame;
Figure 6
a partial sectional view similar to Figure 1 with the arrangement of the temperature sensor in the space between the panes;
Figure 7
a partial sectional view of an electrochromic glazing with a special spacer profile; and
Figure 8
is a schematic representation of a window with an electrochromic glazing according to the present invention.

In Figur 1 ist ein erstes Ausführungsbeispiel einer elektrochromen Verglasung mit erfindungsgemäß angebrachtem Temperaturfühler 40 dargestellt. Die elektrochrome Verglasung umfaßt eine hinsichtlich ihres Schichtaufbaus nicht im Detail wiedergegebene elektrochrome Scheibeneinheit 10, die über einen Abstandhalterrahmen 30 mit einer weiteren Scheibe 20 zu einer Isolierscheibeneinheit verbunden ist. Diese Scheibe 20 besteht normalerweise aus anorganischem oder organischem Glas. Sie kann beschichtet oder auf andere Weise veredelt sein, um der Verglasung weitere besondere Eigenschaften, wie beispielsweise erhöhte Wärmedämmung oder Schalldämmung, zu verleihen. Der Abstandhalterrahmen 30 ist als zur Aufnahme von Trockenmittel geeignetes Hohlkammerprofil aus etwa 0,3 mm dickem Stahlblech gefertigt. An der zur Anlage an die Scheibeninnenseite der elektrochromen Scheibeneinheit 10 bestimmten Anlagewand 32 des Abstandhalterrahmens 30 ist ein zur Temperaturerfassung vorgesehener Temperaturfühler 40 in die in einer Dicke von etwa 0,2 - 0,4 mm auf die Anlagewand 32 aufgetragene Dichtstoffschicht 50, bei der es sich um einen Butyldichtstoff auf Polyisobutylenbasis handelt, eingebettet. Zur Außenkante der elektrochromen Verglasung ist der Abstandhalterrahmen 30 mit einer auch den Temperaturfühler 40 vor Umwelteinflüssen schützenden Verklebung 60 aus Polysulfid abgedeckt.FIG. 1 shows a first exemplary embodiment of an electrochromic glazing with the invention attached temperature sensor 40 shown. The electrochromic glazing includes an electrochromic disk unit not shown in detail with regard to its layer structure 10, which via a spacer frame 30 with a further disc 20 to a Insulating washer unit is connected. This disc 20 is usually made of inorganic or organic glass. It can be coated or otherwise refined to the glazing has other special properties, such as increased thermal insulation or soundproofing. The spacer frame 30 is as for receiving Hollow chamber profile suitable for desiccants made from approximately 0.3 mm thick steel sheet. On intended for contacting the inside of the electrochromic disk unit 10 Contact wall 32 of the spacer frame 30 is provided for temperature detection Temperature sensor 40 in that applied to the contact wall 32 in a thickness of approximately 0.2-0.4 mm Sealant layer 50, which is a polyisobutylene-based butyl sealant acts, embedded. The spacer frame is to the outer edge of the electrochromic glazing 30 with an adhesive bond which also protects the temperature sensor 40 from environmental influences 60 covered in polysulfide.

Die in Figur 2 dargestellte Ausführungsform einer elektrochromen Verglasung entspricht weitestgehend der von Figur 1. Hier ist allerdings abweichend von Figur 1 der Temperaturfühler 40 im Bereich eines abgewinkelten Teilstückes 34 der Anlagewand 32 innerhalb der den Abstandhalterrahmen 30 nach außen überdeckenden Verklebung 60 angeordnet.The embodiment of an electrochromic glazing shown in FIG. 2 largely corresponds that of FIG. 1. Here, however, in deviation from FIG. 1, the temperature sensor 40 in the region of an angled section 34 of the contact wall 32 within the spacer frame 30 arranged covering adhesive 60 to the outside.

In Figur 3 ist der Randbereich der elektrochromen Verglasung weiter detailliert dargestellt. Die elektrochrome Scheibeneinheit 10 besteht aus einer Innenscheibe 12 und einer Außenscheibe 14 aus Glas und einer nur angedeuteten elektrochromen Schichtanordnung 16, die zwischen den Scheiben 12 und 14 angeordnet und durch eine Versiegelung 62 vor Umwelteinflüssen geschützt ist. Der Temperaturfühler 40 ist unmittelbar benachbart zu einem abgewinkelten Teilstück 34 der mit einer dünnen Dichtstoffschicht 50 versehenen Anlagewand 32 des Abstandhalterrahmens 30 direkt auf der zum Scheibenzwischenraum 22 weisenden Oberfläche der Innenscheibe 12 der elektrochromen Scheibeneinheit 10 angebracht. Die in einen Anschluß zur Verbindung mit der Steuer- und Versorgungseinrichtung 70 der elektrochromen Scheibeneinheit 10 mündende Versorgungsleitung 74 und die Anschlußleitung 46 des Temperaturfühlers 40 werden bis in die Nähe des Temperaturfühlers 40 als kompakte Baueinheit gestaltet. Sie verlaufen innerhalb der Verklebung 60 und außerhalb der Verglasung zumindest über einen Teilbereich ihrer Länge in einer gemeinsamen Kabelhülle 72. Die Versorgungsleitung 74 für die elektrochrome Scheibeneinheit 10 verläuft anschließend um die Kante der zu diesem Zweck gegenüber der Außenscheibe 14 zurückversetzt ausgeführten Innenscheibe 12 herum bis zu den nicht näher dargestellten Anschlußstellen der elektrochromen Scheibeneinheit 10.In Figure 3, the edge region of the electrochromic glazing is shown in further detail. The Electrochromic disk unit 10 consists of an inner disk 12 and an outer disk 14 made of glass and an only indicated electrochromic layer arrangement 16, which between the Disks 12 and 14 arranged and protected from environmental influences by a seal 62 is. The temperature sensor 40 is immediately adjacent to an angled section 34 of the with a thin sealant layer 50 bearing wall 32 of the spacer frame 30 directly on the surface of the inner pane 12 facing the space 22 between the panes electrochromic disk unit 10 attached. The in a connection for connection with the Control and supply device 70 of the electrochromic disk unit 10 supply line 74 and the connecting line 46 of the temperature sensor 40 are up close of the temperature sensor 40 designed as a compact unit. They run within the bond 60 and outside the glazing at least over a portion of its length in one common cable sheath 72. The supply line 74 for the electrochromic disk unit 10 then runs around the edge of the outer pane 14 for this purpose recessed inner pane 12 around to the connection points, not shown the electrochromic disk unit 10.

Es versteht sich, daß je nach den räumlichen Gegebenheiten am Einbauort der elektrochromen Verglasung oder ihrer Geometrie auch ein anderer Verlauf der Anschluß- und Versorgungskabel möglich ist. So können der Temperaturfühler 40 und die Anschlußstellen der elektrochromen Scheibeneinheit 10 -anders als in dem in Figur 7 dargestellten Beispiel- auch im Bereich verschiedener Kanten der Verglasung vorgesehen werden. In allen Fällen ist es aber bevorzugt, die Versorgungsleitung 74 für die elektrochrome Scheibeneinheit 10 und die Anschlußleitung 46 des Temperaturfühlers 40 innerhalb der Verklebung 60 zusammenzuführen und sie an einer geeigneten Stelle gemeinsam nach außen zu einer gemeinsamen Anschlußstelle 70 zu führen.It is understood that depending on the spatial conditions at the installation site of the electrochromic Glazing or their geometry also a different course of the connection and supply cables is possible. So the temperature sensor 40 and the connection points of the electrochromic Disc unit 10 - in contrast to the example shown in FIG. 7 - also in the range of various Edges of the glazing are provided. In all cases, however, it is preferred that Supply line 74 for the electrochromic disk unit 10 and the connecting line 46 of the Merge temperature sensor 40 within the bond 60 and them at a suitable Jointly lead outwards to a common junction 70.

Bei der in der Figur 4 gezeigten Ausführungsform der Erfindung ist der Temperaturfühler 40 in einer Ausnehmung oder Einbuchtung 36 in der Anlagewand 32 des Abstandhalterrahmens 30 nahe der Innenscheibe 12 der elektrochromen Scheibeneinheit 10 angeordnet.In the embodiment of the invention shown in FIG. 4, the temperature sensor 40 is in a recess or indentation 36 in the contact wall 32 of the spacer frame 30 arranged near the inner pane 12 of the electrochromic pane unit 10.

In der in Figur 5 gezeigten Ausführungsform wird der Temperaturfühler 40 durch eine kleine Bohrung 31 in der Außenwand 38 des Abstandhalterrahmens 30 bis zu der vom Scheibenzwischenraum 22 abgewandten Oberfläche von dessen Innenwand 37 geführt und befindet sich somit innerhalb der im Abstandhalterrahmen 30 ausgebildeten Trockenmittelkammer 33.In the embodiment shown in FIG. 5, the temperature sensor 40 is replaced by a small one Bore 31 in the outer wall 38 of the spacer frame 30 up to that of the space between the panes 22 facing away from the inner wall 37 and is located thus within the desiccant chamber 33 formed in the spacer frame 30.

Bei der in Figur 6 gezeigten Ausführungsform wird ein zweigeteilter Abstandhalterrahmen 30 mit einem die beiden Hälften verbindenden Verbindungselement 27 verwendet, wobei die Anschlußleitung 46 des Temperaturfühlers 40 durch das Verbindungselement 27 gerührt ist. Der Temperaturfühler 40 ragt geringfügig über die Innenwand 37 des Abstandhalterrahmens 30 hinaus in den Scheibenzwischenraum 22. Alternativ könnte er auch durch geeignete Bohrungen in der Außenwand und der Innenwand eines üblichen Abstandhalterrahmens geführt werden. Er soll allenfalls geringfügig vom Abstandhalterrahmen beabstandet angeordnet werden, damit noch eine ausreichende Wärmeübertragung über Wärmeleitung, Wärmestrahlung oder Konvektion von diesem erfolgt. Das wird in der Regel dann der Fall sein, wenn der Abstand nicht mehr als etwa 5 mm beträgt.In the embodiment shown in FIG. 6, a two-part spacer frame 30 is used used with a connecting element 27 connecting the two halves, the connecting line 46 of the temperature sensor 40 is stirred by the connecting element 27. The Temperature sensor 40 protrudes slightly beyond the inner wall 37 of the spacer frame 30 in the space between the panes 22. Alternatively, it could also be drilled in the outer wall and the inner wall of a conventional spacer frame. He should be arranged at a slight distance from the spacer frame, so that sufficient heat transfer via heat conduction, heat radiation or convection done by this. This will usually be the case when the distance is no longer than about 5 mm.

In der Figur 7 ist ein Abstandhalterrahmen gemäß der DE 298 07 418 U1 dargestellt. Er weist als Besonderheit eine von der Trockenmittelkammer 33 beabstandete Anlagewand 32 auf. Der Temperaturfühler 40 ist zwischen der Anlagewand 32 und der benachbarten Wand 26 der Trokkenmittelkammer 33 angeordnet und in die Verklebung 60 eingebettet. Zu erkennen ist außerdem eine den Scheibenzwischenraum 22 überbrückende dampfdiffusionsdichte Metallfolie 28.A spacer frame according to DE 298 07 418 U1 is shown in FIG. He points as Special feature is a contact wall 32 spaced from the desiccant chamber 33. The Temperature sensor 40 is between the contact wall 32 and the adjacent wall 26 of the drying agent chamber 33 arranged and embedded in the bond 60. You can also see a vapor diffusion-tight metal foil 28 bridging the gap between the panes 22.

Figur 8 zeigt in schematischer Weise, wie eine erfindungsgemäße elektrochrome Verglasung als Fenster anzuordnen ist. Der Temperaturfühler 40 befindet sich einbauseitig an der Sohlenbankseite (Unterkante) des Fensters, und zwar in etwa mittig. Es hat sich herausgestellt, daß hier die Beeinträchtigung der Meßgenauigkeit durch eine Abschattung des Temperaturfühlers 40 durch Sturz und Leibungen bei wandernder Sonne am geringsten ist.Figure 8 shows schematically how an electrochromic glazing according to the invention as Window is to be arranged. The temperature sensor 40 is located on the installation side on the sole bank side (Lower edge) of the window, approximately in the middle. It turned out to be here the impairment of the measurement accuracy by shadowing the temperature sensor 40 is the least due to falls and reveals in the moving sun.

Die in der vorstehenden Beschreibung, in der Zeichnung sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung wesentlich sein.Those disclosed in the above description, in the drawing and in the claims Features of the invention can be used both individually and in any combination Realization of the invention may be essential.

Claims (10)

  1. Electrochromic glazing, with an electrochromic pane unit and with at least one other pane, said panes being interconnected in the edge zone by means of a spacer frame to form an inter-pane gap, and with a temperature sensor for detecting the temperature of the electrochromic pane unit, characterised in that the temperature sensor (40) is disposed in the region of the spacer frame (30) between the electrochromic pane unit (10) and the other pane (20).
  2. Electrochromic glazing according to claim 1, characterised in that the temperature sensor (40) is embedded at least partially in adhesive or sealant material (50, 60).
  3. Electrochromic glazing according to claim 1 or 2, characterised in that the temperature sensor (40) is disposed directly on that surface of the inner pane (12) of the electrochromic pane unit (10) which faces the inter-pane gap (22).
  4. Electrochromic glazing according to any one of the preceding claims, characterised in that the spacer frame (30) has, in the abutting wall (32) to the electrochromic pane unit (10), a recess (36) in which the temperature sensor (40) is disposed.
  5. Electrochromic glazing according to claim 1 or 2, characterised in that the temperature sensor (40) is disposed inside the spacer frame (30), particularly in a desiccant chamber formed in the spacer frame (30).
  6. Electrochromic glazing according to claim 1 or 2, characterised in that the temperature sensor (40) is disposed on that side of the inner wall (37) of the spacer frame (30) which faces the inter-pane gap (22).
  7. Electrochromic glazing according to any one of claims 1 to 3, characterised in that the abutting wall (32) of the spacer frame (30) facing the electrochromic pane unit (10) has a portion (34) which is bent at an angle from the electrochromic pane unit (10) and in that the temperature sensor (40) is disposed between said portion (34) and the electrochromic pane unit (10).
  8. Electrochromic glazing according to any one of the preceding claims, characterised in that the temperature sensor (40) is disposed in the region of that edge of the pane which is at the bottom when the glazing is in the installed state.
  9. Electrochromic glazing according to claim 8, characterised in that the temperature sensor (40) is disposed in the middle portion of the pane edge which is situated at the bottom when the glazing is in the installed state.
  10. Electrochromic glazing according to any one of the preceding claims, characterised in that the connecting lead (46) of the temperature sensor (40) forms, at least in zones, a structural unit with the supply lead (74) for the electrochromic pane unit (10).
EP99953703A 1998-09-01 1999-08-28 Electrochrome glazing Expired - Lifetime EP1110123B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19839748 1998-09-01
DE19839748A DE19839748C1 (en) 1998-09-01 1998-09-01 Electrochromic double glazing with temperature sensor
PCT/DE1999/002790 WO2000013060A1 (en) 1998-09-01 1999-08-28 Electrochrome glazing

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EP1110123A1 EP1110123A1 (en) 2001-06-27
EP1110123B1 true EP1110123B1 (en) 2002-11-20

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US (1) US6369935B1 (en)
EP (1) EP1110123B1 (en)
AT (1) ATE228253T1 (en)
AU (1) AU1030800A (en)
DE (2) DE19839748C1 (en)
HK (1) HK1041524A1 (en)
WO (1) WO2000013060A1 (en)

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EP1110123A1 (en) 2001-06-27
US6369935B1 (en) 2002-04-09
DE59903488D1 (en) 2003-01-02
ATE228253T1 (en) 2002-12-15
WO2000013060A1 (en) 2000-03-09
HK1041524A1 (en) 2002-07-12
DE19839748C1 (en) 1999-11-25
AU1030800A (en) 2000-03-21

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